EN-GJL-200 grey iron · PK multi-rib groove form turning · customer-supplied casting
Finish-turned part: PK grooves on OD and finish-bored hub, with as-cast coated spokes
| Part Type | Poly-V pulley for single-cylinder air compressor |
| Material | EN-GJL-200 grey cast iron (equiv. FC200) |
| Size / Weight | OD Ø186.5 mm / approx. 2.8 kg |
| Groove Profile | PK multi-rib grooves (ISO 9982) |
| Process | CNC turning |
| Blank | Customer-supplied casting (cataphoresis coated) |
| Application | Agricultural machinery, air compressors |
PK grooves are form-turned with profile tooling; groove geometry and pitch are controlled per ISO 9982 to ensure belt seating and drive efficiency.
Customer-supplied castings are located on as-cast datum faces, controlling concentricity between machined and cast surfaces to avoid wall-thickness deviation.
Tool-wear and chip management for interrupted cuts in grey iron, keeping dimensions stable across production batches.
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